UPSC CDS 1 2018 GK Paper

Among the places of India mentioned here, Leh experiences the highest atmospheric pressure during winter because, Leh is at an altitude of 3,524 metres (11,562 ft) which result in descend of air giving birth to very high pressure on the land. Chennai is close to Equator that means there is low pressure. Factors affecting atmospheric pressure are temperature, height from sea level, moisture in Air (Humidity), gravitation of Earth.